Mô tả
Dòng giám sát điện áp SM500
- Bảo vệ mất pha
- Bảo vệ mất trung tính
- Bảo vệ ngược pha
- Bảo vệ lệch pha
- Bảo vệ quá điện áp và thấp áp
- Đèn led báo chỉ thị
- Tự động khôi phục khi loại bỏ lỗi
| Trip Settings |
Phase Loss | Yes | |||
| Phase Sequence | Yes | ||||
| Phase Asymmetry | 94V ± 4V (Ph-Ph) | ||||
| Under Voltage | 55% to 95% | ||||
| Over Voltage | 105% to 125% | ||||
| Hysterisis | 7 V (± 2 V) | ||||
| Time Delay |
ON Delay | 5 s ±1 s (Fixed) | |||
| Trip Time (OFF Delay) |
For Phase failure phase Imbalance Under voltage / Over Voltage 5 s ±1 s (Fixed) |
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| For Neutral Fail 500 ms -1s | |||||
| Output | Relay Output | 2 C/O | |||
| Contact Rating | 5A @ 240 VAC / 28 VDC (Resistive) | ||||
| Electrical Life | 1X10 | ||||
| Mechanical Life | 1X10 | ||||
| Utilization Category | AC – 15 | Rated Voltage (Ue): 120/240 V, Rated Current (Ie): 3.0/1.5 A | |||
| DC – 13 | Rated Voltage (Ue): 24/125/250 V, Rated Current (Ie): 2.0/0.22/0.1 A | ||||
| LED Indications on front plate |
Power ON | Respective fault condition will be indicated by LED immediately & Relay will be tripped after specified trip time only. | |||
| GREEN | UV | OV | Blink: ASY, ON: REV | ||
| ON | OFF | OFF | OFF | ||
| Phase reverse | ON | OFF | OFF | ON | |
| Asymmetry | ON | OFF | OFF | BLINK | |
| UV | ON | ON | OFF | OFF | |
| OV | ON | OFF | ON | OFF | |
| Phase Fail | BLINK | OFF | OFF | OFF | |
| Phase Fail * | BLINK | ON | OFF | BLINK | |
| Neutral Fail | ON | BLINK | BLINK | BLINK | |
| Phase fail indications when I/P voltages are below UV set point and below asymmetry | |||||
| Operating Temperature Storage Temperature |
“-10 C To + 60 C “-10 C To + 70 C |
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| Humidity (Non Condensing) | 95% (Rh) | ||||
| Enclosure | Flame Retardant UL 94-V0 | ||||
| Dimension (W x H x D) (in mm) | 36 X 90 X 60 | ||||
| Weight (unpacked) | 120 g | ||||
| Mounting | Base / DIN rail | ||||
| Degree of Protection | IP 20 for Terminals, IP 40 for Enclosure | ||||
EMI / EMC
Harmonic Current Emissions IEC 61000-3-2
ESD IEC 61000-4-2
Radiated Susceptibility IEC 61000-4-3
Electrical Fast Transients IEC 61000-4-4
Surges IEC 61000-4-5
Conducted Susceptibility IEC 61000-4-6
Voltage Dips & Interruptions (AC) IEC 61000-4-11
Conducted Emission CISPR 14-1
Radiated Emission CISPR 14-1
Environmental
Cold Heat IEC 60068-2-1
Dry Heat IEC 60068-2-2
Vibration IEC 60068-2-6
Repetitive Shock IEC 60068-2-27
Non-Repetitive Shock IEC 60068-2-27
